US9244277B2 - Wide angle and high resolution tiled head-mounted display device - Google Patents
Wide angle and high resolution tiled head-mounted display device Download PDFInfo
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- US9244277B2 US9244277B2 US13/695,069 US201013695069A US9244277B2 US 9244277 B2 US9244277 B2 US 9244277B2 US 201013695069 A US201013695069 A US 201013695069A US 9244277 B2 US9244277 B2 US 9244277B2
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/017—Head mounted
- G02B27/0172—Head mounted characterised by optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/04—Prisms
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/011—Head-up displays characterised by optical features comprising device for correcting geometrical aberrations, distortion
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0123—Head-up displays characterised by optical features comprising devices increasing the field of view
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/01—Head-up displays
- G02B27/0101—Head-up displays characterised by optical features
- G02B2027/0147—Head-up displays characterised by optical features comprising a device modifying the resolution of the displayed image
Abstract
Description
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, cx is radius of curvature in the x direction in the xz-plane, cy is radius of curvature in the y direction in the yz-plane, kx is conic coefficient in x direction, ky is conic coefficient in y direction, A, are aspherical coefficients of 4, 6, 8, 10, . . . 2n orders, Pi are non-rotational symmetry coefficient of 4, 6, 8, 10, . . . 2n orders, and the surface has rotational symmetry about z-axis.
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is radius of curvature of surface, Cj is polynomial coefficients, k is conic coefficient, m is an even number;
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is radius of curvature of surface, k is conic coefficient, Zj is Zernike polynomial, Cj+1 is coefficients for Zj;
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is the vertex curvature, k is the conic constant, cx is radius of curvature of surface in sagittal direction, cy is radius of curvature of surface in tangential direction, and Cj is the coefficient for x2myn.
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is radius of curvature, k is conic coefficient, A, B, C, D are aspheric coefficients of 4, 6, 8 and 10 orders, respectively.
where Ru is the top marginal ray of the maximum field of view in positive Y direction, Rb is the light ray at lower boundary of the maximum field of view in negative Y direction; Pa is an intersection point at which Rb is transmitted through the first optical surface, Pa′ is an intersection point of Rb with the second optical surface and Pa″ is an intersection point of Rb with the first optical surface upon total reflection; Pb is an intersection point of Ru with the second optical surface (3), Pb′ is an intersection point of Rb with the third optical surface; Pc is an intersection point at which Ru is reflected on the first optical surface, Pc′ is an intersection point of Ru with the third optical surface, Y, Z are coordinates of each point in global coordinate system, respectively.
where θmi1 is an incident angle of Ru emitted from the displays first striking the first optical surface (2), and θmi2 is an incident angle of Ru striking the first optical surface (2) at the second time, n is a refractive index of prism material.
18≦Z Pd≦28 (10)
1.5≦Z Pd′ ≦Z Pd≦4 (11)
Z Pc≧the eye clearance distance, i.e., 15 (12)
where, Pc is the intersection point of Ru with the first optical surface upon total reflection, Pd is the intersection point of chief ray Rc in horizontal field of view with the first optical surface, Pd is the intersection point of Rc with the second optical surface.
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, cx is radius of curvature in the x direction in the xz-plane, cy is radius of curvature in the y direction in the yz-plane, kx is conic coefficient in x direction, ky is conic coefficient in y direction, A, are aspherical coefficients of 4, 6, 8, 10, . . . 2n orders, Pi are non-rotational symmetry coefficient of 4, 6, 8, 10, . . . 2n orders, and the surface has rotational symmetry about z-axis;
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is radius of curvature of surface, Cj is polynomial coefficients, m is an even number in the present invention;
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is radius of curvature of surface, k is conic coefficient, Zj is Zernike polynomial, Cj+1 is coefficients for Zj;
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is the vertex curvature, k is the conic constant, cx is radius of curvature of surface in sagittal direction, cy is radius of curvature of surface in tangential direction, and Cj is the coefficient for x2myn.
where z is the sag of the free-form surface measured along the z-axis of a local x, y, z coordinate system, c is the radius of curvature, k is conic coefficient, A, B, C, D are aspheric coefficients of 4, 6, 8 and 10 orders, respectively.
where Ru is the top marginal ray of the maximum field of view in positive Y direction, Rb is the light ray at lower boundary of the maximum field of view in negative Y direction; Pa is an intersection point at which Rb is transmitted through the first
where θmi1 is an incident angle of Ru emitted from the displays first striking the first
18≦Z Pd≦28 (10)
1.5≦Z Pd′ −Z Pd≦3 (11)
Z Pd≧the eye clearance distance, i.e., 15 (12)
where, Pc is an intersection point of Ru with the first
Claims (37)
18≦Z Pd≦28 (1)
1.5≦Z Pd′ −Z Pd≦3 (2)
Z Pc≧the eye clearance distance, i.e., 15 (3)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2010/072376 WO2011134169A1 (en) | 2010-04-30 | 2010-04-30 | Wide angle and high resolution tiled head-mounted display device |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2010/072376 A-371-Of-International WO2011134169A1 (en) | 2010-04-30 | 2010-04-30 | Wide angle and high resolution tiled head-mounted display device |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US14/953,563 Continuation US10281723B2 (en) | 2010-04-30 | 2015-11-30 | Wide angle and high resolution tiled head-mounted display device |
Publications (2)
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US20130187836A1 US20130187836A1 (en) | 2013-07-25 |
US9244277B2 true US9244277B2 (en) | 2016-01-26 |
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US13/695,069 Active 2031-03-18 US9244277B2 (en) | 2010-04-30 | 2010-04-30 | Wide angle and high resolution tiled head-mounted display device |
US14/953,563 Active 2031-02-08 US10281723B2 (en) | 2010-04-30 | 2015-11-30 | Wide angle and high resolution tiled head-mounted display device |
US16/366,204 Active US10809533B2 (en) | 2010-04-30 | 2019-03-27 | Wide angle and high resolution tiled head-mounted display device |
US17/065,788 Active US11609430B2 (en) | 2010-04-30 | 2020-10-08 | Wide angle and high resolution tiled head-mounted display device |
US18/123,503 Pending US20230333387A1 (en) | 2010-04-30 | 2023-03-20 | Wide angle and high resolution tiled head-mounted display device |
Family Applications After (4)
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US14/953,563 Active 2031-02-08 US10281723B2 (en) | 2010-04-30 | 2015-11-30 | Wide angle and high resolution tiled head-mounted display device |
US16/366,204 Active US10809533B2 (en) | 2010-04-30 | 2019-03-27 | Wide angle and high resolution tiled head-mounted display device |
US17/065,788 Active US11609430B2 (en) | 2010-04-30 | 2020-10-08 | Wide angle and high resolution tiled head-mounted display device |
US18/123,503 Pending US20230333387A1 (en) | 2010-04-30 | 2023-03-20 | Wide angle and high resolution tiled head-mounted display device |
Country Status (4)
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US (5) | US9244277B2 (en) |
EP (1) | EP2564259B1 (en) |
CN (1) | CN102782562B (en) |
WO (1) | WO2011134169A1 (en) |
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CN102782562B (en) | 2015-07-22 |
US20210088795A1 (en) | 2021-03-25 |
EP2564259A1 (en) | 2013-03-06 |
US10281723B2 (en) | 2019-05-07 |
US20190271847A1 (en) | 2019-09-05 |
US11609430B2 (en) | 2023-03-21 |
US20130187836A1 (en) | 2013-07-25 |
WO2011134169A1 (en) | 2011-11-03 |
CN102782562A (en) | 2012-11-14 |
US20160085074A1 (en) | 2016-03-24 |
US20230333387A1 (en) | 2023-10-19 |
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